As the owner wrote on her Youtube channel: "Butters changes up his favorite napping spot every few weeks. This time he has been laying behind the couch and using a box as a pillow. I wanted him to be more comfortable, so I laid down one of his mats which he liked. Then I spent one evening sewing him a pillow. This is his reaction".
Cats make every home... well, a home! And instead of having to always explain that to people, let these signs do the work for you!